Mine detail: Ladwig Group

Previously called 'Ladwig No. 3Claims: Ladwig No. 1Ladwig No. 2'

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Location

Lat / long:

39.76971, -105.27002

Resource(M)

Primary:	Uranium
Tertiary:	Copper, Lead, Zinc
Ore:	Bornite, Covellite, Pitchblende, Pyrite, Torbernite, Uranophane

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Occurrence
First production started:	1971
Last production ended:	1971

Geology

Host rock:	Idaho Springs Formation-Hornblende Gneiss Unit
Host type:	Gneiss
Associated rock:	Granitic Pegmatite
Associated type:	Pegmatite
Structure:	Front Range Uplift, Denver Basin, Hurricane Hill Fault System
Tectonic:	Central Cordillera (Southern Rocky Mts.)
Alteration processes:	Limonite, Cu Carbonates

References

MRDS	D010158
DEP	10087815
Reference	{Deposit:: NELSON-MOORE, J.L., COLLINS, D.B., AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: COLORADO GEOLOGICAL SURVEY BULL. 40, P. 192-193}{Deposit:: SHERIDAN, DOUGLAS M. AND OTHERS, 1967, GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT, JEFFERSON COUNTY, COLORADO: USGS PROF. PAPER 520.}{Deposit:: ADAMS, J.W., AND OTHERS, 1953, URANIUM OCCURRENCES IN THE GOLDEN GATE CANYON AND RALSTON CREEK AREAS, JEFFERSON COUNTY, COLORADO: USGS CIRC. 320}
Reporter	Banke, Carl M.